<!--
 * @Author: your name
 * @Date: 2021-06-30 11:43:24
 * @LastEditTime: 2021-07-13 10:22:25
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: \dianshang\vue_shop\src\components\Home.vue
-->
<template>
  <el-container class="home-container">
    <el-header>
      <div>
        <img src="../assets/ht.png" alt="" />
        <span>后台管理系统</span>
      </div>
      <el-button type="danger" icon="el-icon-close" @click="logout"> 退出 </el-button>
    </el-header>
    <el-container>
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="toggle-button" @click="toggleCollapse">|||</div>
        <el-menu
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409BFF"
          unique-opened
          :collapse="isCollapse"
          :collapse-transition="false"
          router
          :default-active="activePath"
        >
          <el-submenu
            :index="item.id + ''"
            v-for="item in menulist"
            :key="item.id"
          >
            <template slot="title">
              <i :class="iconsObj[item.id]"></i>
              <span>{{ item.authName }}</span>
            </template>
            <el-menu-item
              :index="'/'+subItem.path"
              v-for="subItem in item.children"
              :key="subItem.id"
              @click="saveNavState('/'+subItem.path)"
            >
              <template slot="title">
                <i class="el-icon-menu"></i>
                <span>{{ subItem.authName }}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-main> 
          <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  name: 'Home',
  methods: {
    logout() {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    async getMenuList() {
      const { data: res } = await this.$http.get('menus')
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.menulist = res.data
      console.log(res)
    },
    // 菜单折叠展开
    toggleCollapse(){
        this.isCollapse = !this.isCollapse
    },
    saveNavState(activePath){
        window.sessionStorage.setItem('activePath',activePath)
        this.activePath = activePath
    }
  },
  created() {
    this.getMenuList()
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  data() {
    return {
      menulist: [],
      iconsObj: {
        125: 'iconfont icon-user',
        103: 'iconfont icon-shangpin',
        102: 'iconfont icon-3702mima',
        101: 'iconfont icon-danju',
        145: 'iconfont icon-baobiao',
      },
      isCollapse:false,
      activePath:''
    }
  },
}
</script>

<style lang="less" scoped>
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #eaedf1;
  font-size: 30px;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
  }
}

.el-aside {
  background-color: #333744;
  .el-menu{
      border-right: 0;
  }
}

.el-main {
  background-color: #eaedf1;
}

.home-container {
  height: 100%;
}

.iconfont{
    margin-right: 10px;
}

.toggle-button{
    background-color: #4A5064;
    font-size: 10px;
    line-height: 24px;
    color: white;
    text-align: center;
    letter-spacing: 0.2em;
    cursor: pointer;
}
</style>